What's Behind The Rise In Gas Prices?

Gas prices are on the rise and there's a slew of possible reasons as to why. Tensions with Iran, the Obama administration's policies, and Wall Street speculators have all been cited as factors. But it still doesn't answer why prices are increasing while U.S. demand for gasoline is going down. Weekends on All Things Considered host Guy Raz talks with NPR's John Ydstie about some hidden factors behind the jacked up gas prices.